The Longevity Secret of Yiwu Centenarians Tip 1: Eat Sweet Potatoes and Meat Aizhu Zhu is 106 years old, but still looks energetic and quick minded. Over the years, Granny Zhu has very regular meals. According to her daughter-in-law, she has good appetite: she likes fat meat, porridge, fruit and milk everyday. “My mother sometimes […]